Wall Street's getting crushed by a form of financial engineering you've probably never heard of
Dec 2, 2015, Leon Cooperman, the founder of Omega Advisors. On August 6, billionaire hedge fund manager Leon Cooperman took the unusual step of dialing into an earnings call for one of his fund's holdings and asking a question. It was a second-quarter earnings call for SunEdison, a solar-energy company that went public in 1995. At the time, Omega was the 11th-biggest sharehold..